Double-walled glass



FIG. 1 is a perspective view of the double-walled glass;

FIG. 2 is a front view of the double-walled glass shown in FIG. 1;

FIG. 3 is a top view of the double-walled glass shown in FIG. 1;

FIG. 4 is a bottom view of the double-walled glass shown in FIG. 1; and,

FIG. 5 is a cross-sectional view of the double-walled glass taken along section 5—5 of FIG. 3. 

The ornamental design for double-walled glass, as shown and described. 